| （単位：千ドル） | 売掛金 | 前年比（％） |
|---|---|---|
| 4Q19 | 55,018 | +91.4% |
| 3Q19 | 29,913 | -12.1% |
| 2Q19 | 27,870 | +11.5% |
| 1Q19 | 29,840 | +24.8% |
| 4Q18 | 28,751 | +52.3% |
| 3Q18 | 34,043 | +61.1% |
| 2Q18 | 24,992 | +16.8% |
| 1Q18 | 23,915 | +1.9% |
| 4Q17 | 18,875 | -17.3% |
| 3Q17 | 21,134 | -17.0% |
| 2Q17 | 21,389 | -22.2% |
| 1Q17 | 23,473 | -15.4% |
| 4Q16 | 22,825 | -27.8% |
| 3Q16 | 25,457 | -8.1% |
| 2Q16 | 27,502 | +6.3% |
| 1Q16 | 27,746 | +5.2% |
| 4Q15 | 31,618 | +28.7% |
| 3Q15 | 27,696 | -14.7% |
| 2Q15 | 25,872 | -17.3% |
| 1Q15 | 26,382 | -16.5% |
| 4Q14 | 24,564 | -29.1% |
| 3Q14 | 32,463 | -22.1% |
| 2Q14 | 31,283 | -41.5% |
| 1Q14 | 31,582 | -37.4% |
| 4Q13 | 34,650 | -49.7% |
| 3Q13 | 41,694 | -35.9% |
| 2Q13 | 53,518 | -3.7% |
| 1Q13 | 50,420 | -18.7% |
| 4Q12 | 68,940 | +13.8% |
| 3Q12 | 65,021 | +13.1% |
| 2Q12 | 55,582 | -4.1% |
| 1Q12 | 61,989 | -3.4% |
| 4Q11 | 60,573 | -2.8% |
| 3Q11 | 57,471 | -10.7% |
| 2Q11 | 57,968 | -22.5% |
| 1Q11 | 64,147 | +10.4% |
| 4Q10 | 62,287 | - |
| 3Q10 | 64,366 | - |
| 2Q10 | 74,796 | - |
| 1Q10 | 58,080 | - |